Home / 21,150,721.18-31,726,191.25-9,628,130.22

Finding the Fourth Proportional to 21,150,721.18, 31,726,191.25 and 9,628,130.22

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Solution

The fourth proportional to 21,150,721.18, 31,726,191.25 and 9,628,130.22 is: 14,442,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,721.18 : 31,726,191.25 = 9,628,130.22 : x
  2. Step 2: Convert to fraction form
    21,150,721.18/31,726,191.25 = 9,628,130.22/x
  3. Step 3: Cross multiply
    21,150,721.18x = 31,726,191.25 × 9,628,130.22
  4. Step 4: Simplify right side
    21,150,721.18x = 305,463,900,739,624.62
  5. Step 5: Solve for x
    x = 305,463,900,739,624.62/21,150,721.18
  6. Step 6: Final answer
    x = 14,442,245.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.